After Hours

Images from the U.S. Geological Survey

Sunset over the Arctic Ocean

The U.S. Geological Survey conducts research on natural resources, natural hazards, wildlife, water quality, and geography. The images and links to video in this gallery are only a selection of the many resources available at All images in the gallery are in the public domain.

By Selena Frye

Selena has been at TechRepublic since 2002. She is currently a Senior Editor with a background in technical writing, editing, and research. She edits Data Center, Linux and Open Source, Apple in the Enterprise, The Enterprise Cloud, Web Designer, and...